| Spiral phyllotaxis patterns have only parastichies, whereas whorled patterns have both orthostichies and parastichies. |
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| Such arrangements, called phyllotaxis, have been studied by scientists for decades. |
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| The Fibonacci numbers are also exemplified by the botanical phenomenon known as phyllotaxis. |
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| In the Champagnat model, the mixed axes have a spiral phyllotaxis and begin their growth with an orthotropic direction before they bend under their own weight. |
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| Each current-year shoot of Q. crispula has one terminal bud, one to five terminally lateral buds and several lateral buds in the lower stem in alternate phyllotaxis. |
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| Roberts ends this detailed biography with appendixes on Coxeter groups and diagrams as well as Fibonacci numbers and phyllotaxis. |
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| Likewise, the spiral pattern, or phyllotaxis, exhibited by pine cones or by the petals of a sunflower is simply the result of the mathematical properties of lattices. |
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| Among other things, he wanted to understand Fibonacci phyllotaxis, the existence of Fibonacci numbers in plant structures. |
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| The change of opposite to alternate phyllotaxis and repeated rejuvenations in hemp by means of changed photoperiodicity. |
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| Observations on phyllotaxis, stellar morphology, the shoot apex, and bulbils of Lycopodium lucidulum Michaux. |
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| Turing's late work on Fibonacci phyllotaxis has never been fully understood by subsequent workers. |
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| Asymmetry by Spiral or Irregular Phyllotaxis and by Imbricate Perianth Organ Aestivation. |
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